Transcript for Kate Middleton Topless Photos Published in French Tabloid

We're going to turn, now, to prince william and princess kate, the royal couple told this morning, just this morning, that a french magazine has published topless photos of the princess on a private vacation. That news coming right in the middle of their big overseas tour through asia. And they're in malaysia, a mostly public country where kate is appearing in public in veils. Abc is not showing the nude photos of princess kate. But bob woodruff has the latest from kuala lumpur. Bob? Reporter: Good morning, elizabeth. This has been a successful trip for the duke and duchess. But overnight, the atmosphere has absolutely changed. And william and kate are furious. The royal couple learned about the shocking photos as they ate breakfast, just a short time prior to visiting a local mosque. The pictures are said to be taken at this secluded estate. A palace source tells abc news, that at first, the couple simply felt saddened. But as the day wore on, the sadness turned to shock and anger. In a statement just hours ago, st. James palace called the invasion of privacy grotesque and unjustifiable. And said it was reminiscent of the worst excesses of the press and paparazzi during the life of diana. It is unthinkable, the statement said, that anyone should take such photographs, let alone publish them. It was 15 years ago that princess diana left a hotel in paris and sped away in hot pursuit. She was killed in a paris tunnel. Just after william and kate were engaged, the prince expressed his concerns about the paparazzi, and had given kate the chance to get out of the relationship, if she thought the relationship would overwhelm her. I wanted to give her the chance to back out if she needed to. Reporter: At the visit to the mosque, kate removed her shoes and wore a stylish head scarf. Because of security concerns, this event was not part of the public schedule. What the people were not told about the couple's appearance of the mosque because of security issues. You can see they did know they were coming here to the park, the biggest crowd we've seen yet. As the krouple greeted a crush of admirers, the smiles on their faces did nothing to hide the anguh. They wanted to continue their focus on this to on behalf of the queen.

This transcript has been automatically generated and may not be 100% accurate.

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